law enforcement is saying they believe a possible suspect. how confident are you hearing from your sources about the identity? >> they are quite confident they have the suspect and they engaged the suspect including with some gunfire. did they wound the suspect? we don't know. but there was gunfire at the scene and then once they did surround the area, they have a visual contact on the suspect and there have been reports back of movement. at one point there was an indication of some law enforcement originally on the scene radioed back they believed the suspect was down. as they brought more to the scene, they have visual contact of the suspect moving. i heard the reports have ceased in terms of the movement has ceased. that doesn't mean anything. as this plays out, they now are convinced they have total visual environment, they are trying to evacuate any residents in the area from the neighborhood, and as was noted, now they went to move, the flash-bangs, be methodical. the one thing, they're not certain but they're operating under the assump